diff --git a/samplecode/SampleDegenerateTwoPtRadials.cpp b/samplecode/SampleDegenerateTwoPtRadials.cpp
index f26403e..f0c74be 100644
--- a/samplecode/SampleDegenerateTwoPtRadials.cpp
+++ b/samplecode/SampleDegenerateTwoPtRadials.cpp
@@ -73,7 +73,7 @@
 
 private:
     SkScalar           fTime;
-    typedef Sample INHERITED;
+    using INHERITED = Sample;
 };
 
 //////////////////////////////////////////////////////////////////////////////